Center-staple lead edge stopper motor malfunction
<When FS-526+SD-508 is installed> • The leading edge stopper home sensor (PS32) is turned neither ON nor OFF even after the set period of time has elapsed after the leading edge stopper motor (M22) is turned ON. <When FS-527+SD-509 is installed> • The leading edge stopper home sensor (PS45) is turned neither ON nor OFF even after the set period of time has elapsed after the leading edge stopper motor (M20) is turned ON.